Train ticket query interface demo and return sample code

Using system;

Using system. Collections. Generic;

Using system. LINQ;

Using system. text;

Using system. net. Security;

Using system. Security. cryptography. x509certificates;

Using system. net;

Using system. IO;

Using system. Io. compression;

Using system. Text. regularexpressions;

Using system. Web. Script. serialization;

Namespace trian ticket

{

Class Program

{

Static void main (string [] ARGs)

{

String key = "52bd00811f3442d8a6cca4ed61980000a"; // applied key value

String date = "2014-09-28"; // Date

String from = "Shanghai"; // name of the departure city

String to = "WenZhou"; // name of the target City

String url = "http://apis.haoservice.com/lifeservice/train/ypcx? Date = "+ date +" & from = "+ from +" & to = "+ to +" & Key = "+ key;

WebClient WC = new WebClient ();

WC. Encoding = encoding. utf8;

String STR = WC. downloadstring (URL );

Console. writeline (STR );

Console. readkey ();

}

}

}

Example of returning the year interface for querying train tickets

Interface Information

URL: http://apis.haoservice.com/lifeservice/train/ypcx

Supported format: JSON

HTTP Request Method: Get

Demo: http://apis.haoservice.com/lifeservice/train/ypcx? Date = & from = Shanghai & to = Wenzhou & Key = The appkey you applied

Returned results:

{

"Error_code": "0 ",

"Reason": "success ",

"Result ":[{

"Train_no": "d2287",/* trains *//

"Start_station_name": "Shanghai Hongqiao",/* train departure station */

"End_station_name": "Shenzhen north",/* Train Terminal */

"From_station_name": "Shanghai Hongqiao",/* departure site */

"To_station_name": "WenZhou South",/* arrival site */

"Start_time": "06:25",/* departure time */

"Arrive_time": "10:53",/* arrival time */

"Train_class_name": "",/* Train Type */

"Day_difference": "0",/* Days */

"Lishi": "",/* total duration */

"Gr_num": "--",/* High Level soft sleeper: -- indicates that this seat is not available */

"Qt_num": "--",/* Others */

"Rw_num": "--",/* Soft Sleeper */

"Rz_num": "--",/* soft seat */

"Tz_num": "--",/* special seat */

"Wz_num": "NONE",/* No seat */

"Yw_num": "--",/* hard sleeper */

"Yz_num": "--",/* hard seat */

"Ze_num": "NONE",/* second-class seat */

"Zy_num": "NONE",/* first-class seat */

"Swz_num": "--"/* business seat */

},

......

{

"Train_no": "g7501 ",

"Start_station_name": "Shanghai Hongqiao ",

"End_station_name": "Cangnan ",

"From_station_name": "Shanghai Hongqiao ",

"To_station_name": "WenZhou South ",

"Start_time": "07:00 ",

"Arrive_time": "11: 00 ",

"Train_class_name ":"",

"Day_difference": "0 ",

"Lishi": "4:00 ",

"Gr_num ":"--",

"Qt_num ":"--",

"Rw_num ":"--",

"Rz_num ":"--",

"Tz_num ":"--",

"Wz_num": "165 ",

"Yw_num ":"--",

"Yz_num ":"--",

"Ze_num": "NONE ",

"Zy_num": "NONE ",

"Swz_num": "15"

}]

}

Remarks

From now on to July 1, the Railway Department will adjust the train operation diagram. The train operation density, speed, and time of stopping nationwide will change.

Note:

Apply for the key value on the web page (http://www.haoservice.com/docs/25) First, fill in the parameters.

If any error occurs, refer to the code table below.

Error code table:

Return Code Description

0 successful

Request key with 10001 Error

10002 this key has no request permission

The 10003 key expires.

SDK key with 10004 Error

10005 application not reviewed timeout. Please submit for authentication

10007 unknown request source (the server has not obtained an IP address)

10008 forbidden IP Address

10009 forbidden key

10011 the current IP request exceeds the limit

10012 the current key request has exceeded the limit.

10013 the test key exceeds the request limit

10020 interface Maintenance

10021 disable the interface

10022 the number of requests remaining on demand for the appkey is zero.

10023 invalid request IP Address

10024 network errors

10025 no results found

Train ticket query interface demo and return sample code